100 Lions Mane Mushroom Plug Spawn Lions Mane mushrooms are a great lobster or crab substitiute. Once colonized mushrooms are perenial and will produce for several seasons. Detailed instruction are included, as well as our contact information for "tech support"! Using mushroom spawn is a great natural alternative for removing stumps too! We can combine ship up to 300 plugs (three 100 count packs of any variety) for a flat $5.80 if ordered at the same time.